RETIREMENT PLANS (Tables)

3 Months Ended

Mar. 31, 2019

RETIREMENT PLANS

Schedule of components of the plan's net periodic pension cost

The Company recorded the net periodic benefit cost identified below (in thousands):

	Three months ended
	March 31, 2019				March 31, 2018
	Pension benefits		Postretirement benefits		Pension benefits		Postretirement benefits
Operating expense
Service cost	$	447	$	37	$	448	$	37
Non-operating expense
Interest cost		841		40		820		40
Expected return on plan assets		(1,263)		—		(1,209)		—
Actuarial gain/ loss		7		(17)		30		(17)
Net periodic pension expense	$	32	$	60	$	89	$	60